Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men's

Smartwool Classic Thermal Merino Base Layer 1/4 Zip - Men'sWe've updated the fit of our Men's Classic Thermal Merino Base Layer 1 4 Zip to improve functionality while also enhancing aesthetics. As one of our heaviest base layer tops and best base layers for cold weather, this garment uses 100% responsibly sourced Merino wool, shoulder panels, and a flatlock seam construction to help minimize chafing as well as help keep you comfortable and temperature regulated as you enjoy high intensity skiing, hiking,

Advanced reflective details - Are designed to help support 360-degree visibility in low-light conditions

The carbon footprint of ReactX is based on cradle-to-gate assessment reviewed by PRé Sustainability B

ONE SIZE FITS ALL: Suitable for all shoe sizes

Forward-rolling

cooler design that contours to your foot

Designed to provide a plush yet stable underfoot experience with 360 degrees of comfort

Innovative Design

Drop-in pocket knit into liner

Durable midsole with grippy rubber

while keeping your hands toasty warm

*The product is not certified as vegan by an independent third party

DYNAWALL™ technology in the midsole now extends into the heel for added stability during lateral movements